1 verse has
“festzustellen”
in Edition A. S. F. Bubenheim and N. Elyas / Al-Kahf (The Cave)
18:7Gewiß, Wir haben (alles), was auf der Erde ist, zu einem Schmuck für sie gemacht, um sie zu prüfen (und festzustellen), wer von ihnen die besten Taten begeht.
Support Ayat Al Quran
Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274